Air Quality
Excellent
No health implications.
9
PM2.5
21
PM10
45
O3
1.0
CO
5
SO2
13
NO2
No health implications.
Advise
Everyone can continue their outdoor activities normally.
Air Quality
Today
2 Feb
45
Excellent
Tue
3 Feb
52
Good
Wed
4 Feb
58
Good
Thu
5 Feb
59
Good
Fri
6 Feb
70
Good
Sat
7 Feb
48
Excellent
Sun
8 Feb
50
Excellent
Air quality in the last 12 months (Hezhang)
|
2025/12
|
112
|
107
|
73
|
40
|
43
|
74
|
43
|
79
|
61
|
52
|
79
|
60
|
35
|
66
|
61
|
60
|
43
|
77
|
81
|
45
|
63
|
59
|
39
|
48
|
52
|
81
|
81
|
93
|
66
|
40
|
37
|
|
2025/11
|
19
|
20
|
15
|
25
|
31
|
31
|
27
|
19
|
17
|
18
|
21
|
21
|
19
|
41
|
31
|
48
|
23
|
19
|
25
|
41
|
46
|
60
|
48
|
38
|
51
|
70
|
64
|
75
|
107
|
118
|
|
|
2025/10
|
14
|
21
|
28
|
26
|
27
|
23
|
16
|
15
|
20
|
26
|
29
|
27
|
24
|
32
|
30
|
26
|
19
|
16
|
18
|
16
|
13
|
20
|
25
|
53
|
18
|
18
|
21
|
38
|
29
|
23
|
22
|
|
2025/09
|
24
|
25
|
25
|
33
|
33
|
23
|
39
|
23
|
25
|
32
|
31
|
25
|
22
|
31
|
29
|
23
|
17
|
16
|
20
|
30
|
28
|
18
|
20
|
18
|
23
|
19
|
21
|
23
|
21
|
18
|
|
|
2025/08
|
33
|
33
|
36
|
41
|
36
|
26
|
22
|
27
|
28
|
24
|
14
|
26
|
26
|
31
|
27
|
25
|
22
|
25
|
25
|
24
|
23
|
15
|
16
|
18
|
19
|
17
|
18
|
22
|
21
|
17
|
20
|
|
2025/07
|
21
|
14
|
18
|
16
|
19
|
23
|
25
|
27
|
19
|
17
|
19
|
21
|
34
|
32
|
29
|
31
|
35
|
31
|
24
|
19
|
14
|
12
|
11
|
13
|
18
|
20
|
22
|
33
|
36
|
32
|
30
|
|
2025/06
|
18
|
14
|
25
|
29
|
37
|
51
|
46
|
32
|
38
|
31
|
35
|
42
|
45
|
40
|
26
|
30
|
32
|
21
|
15
|
24
|
23
|
22
|
31
|
27
|
16
|
14
|
22
|
25
|
25
|
19
|
|
|
2025/05
|
49
|
46
|
52
|
46
|
37
|
25
|
34
|
25
|
38
|
29
|
33
|
41
|
52
|
35
|
52
|
46
|
40
|
41
|
37
|
40
|
41
|
41
|
51
|
48
|
35
|
32
|
21
|
15
|
26
|
25
|
22
|
|
2025/04
|
31
|
38
|
56
|
61
|
44
|
36
|
30
|
54
|
58
|
71
|
66
|
168
|
121
|
83
|
72
|
64
|
41
|
41
|
34
|
37
|
36
|
28
|
66
|
29
|
35
|
44
|
21
|
30
|
34
|
24
|
|
|
2025/03
|
67
|
78
|
55
|
57
|
31
|
20
|
31
|
32
|
37
|
45
|
56
|
45
|
76
|
45
|
22
|
23
|
15
|
20
|
31
|
46
|
53
|
59
|
49
|
51
|
48
|
46
|
48
|
134
|
30
|
28
|
26
|
|
2025/02
|
27
|
21
|
19
|
49
|
38
|
20
|
22
|
35
|
48
|
35
|
46
|
42
|
30
|
35
|
47
|
53
|
46
|
36
|
42
|
30
|
31
|
24
|
27
|
30
|
28
|
42
|
54
|
63
|
|||
|
2025/01
|
84
|
72
|
84
|
67
|
61
|
80
|
27
|
22
|
34
|
33
|
26
|
54
|
59
|
52
|
58
|
63
|
96
|
40
|
61
|
87
|
92
|
73
|
69
|
46
|
23
|
41
|
60
|
67
|
79
|
76
|
35
|
|
1
|
2
|
3
|
4
|
5
|
6
|
7
|
8
|
9
|
10
|
11
|
12
|
13
|
14
|
15
|
16
|
17
|
18
|
19
|
20
|
21
|
22
|
23
|
24
|
25
|
26
|
27
|
28
|
29
|
30
|
31
|
- Excellent
- Good
- Lightly
- Moderately
- Heavily
- Severely
Air quality source: CNEMC
*: primary pollution